LONG-TERM DEBT, NET (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Feb. 18, 2020
Debt Instrument [Line Items]
Debt issuance costs, net	$ (4,011)	$ (4,424)
Total long-term debt, net of issuance costs	378,528	385,081
Less current portion of long-term debt	(90,777)	0	$ 0
Long-term debt, less current portion and debt issuance costs, net	287,751	385,081
Line of Credit | Revolving lines of credit to banks under the 2023 Senior Secured Credit Facility
Debt Instrument [Line Items]
Long-term debt	265,539	272,505
Exchangeable Notes | 1% Exchangeable Senior Notes due 2025
Debt Instrument [Line Items]
Long-term debt	117,000	117,000
Debt issuance costs, net	$ (1,246)	$ (1,501)
Stated interest rate (percent)	1.00%			1.00%